Confirmation of a privilege to the dean and chapter of St. German of Speyer
MLA
Gregory IX, Pope, ca. 1170-1241. Confirmation of a privilege to the dean and chapter of St. German of Speyer. 1236 March 3. https://collections.library.yale.edu/catalog/10621991.
APA, 6th edition
Gregory IX, Pope, ca. 1170-1241. (1236 March 3)[Confirmation of a privilege to the dean and chapter of St. German of Speyer]. https://collections.library.yale.edu/catalog/10621991.